High temperature methanation with molten salt-based catalyst sys

Details High temperature methanation with molten salt-based catalyst sys High temperature methanation with molten salt-based catalyst sys

1976-03-15

1977-08-30

Mars, Howard T.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C 102, C07C 104

Patent

active

040454614

ABSTRACT:
The reaction of hydrogen and carbon oxides (carbon monoxide and carbon dioxide) to form methane at temperatures above 500.degree. C is promoted by carrying out the reaction in the presence of a molten metal salt-based catalyst system comprising a molten metal salt carrier selected from the class consisting of the halides and carbonates of alkali metals and alkaline earth metals and the halides of zinc, copper, manganese, cadmium, tin and iron, and mixtures thereof, melting below 1000.degree. C; said molten salt having dispersed therein one or more catalytically active metals selected from the class consisting of iron, molybdenum, manganese, nickel, cobalt, zinc, titanium, silver, copper and thorium in the form of finely divided elemental metals, metal oxides and/or metal carbides.

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